diff --git a/index.html b/index.html
index 41c256b..e307bfe 100644
--- a/index.html
+++ b/index.html
@@ -22,11 +22,11 @@
         <![endif]-->
         <nav>
             <h1>Sokoban</h1>
-            <ol id="level-list">
+            <ol id="level-list" class="not-in-win-animation">
             </ol>
         </nav>
         <main>
-            <div class="controls">
+            <div class="controls not-in-win-animation">
                 <div id="timer">Time</div>
                 <button id="pause-1">Pause</button>
                 <button id="pause-2">Pause</button><br/>
@@ -34,7 +34,7 @@
                 <input type="range" min="0" max="100" value="50" id="difficulty-slider">
                 <br/>
             </div>
-            <div>
+            <div class="not-in-win-animation">
                 <canvas id="canvas" width="800" height="400"></canvas>
                 <div id="tutorial-speech-bubble" class="text-bubble">
                     <div class="dialog">
diff --git a/modules/levelSelection.mjs b/modules/levelSelection.mjs
index 974d5cc..cc31074 100644
--- a/modules/levelSelection.mjs
+++ b/modules/levelSelection.mjs
@@ -18,15 +18,20 @@ export const fillLevelsSelection = (gameState, ctx) => {
     selectionButton.setAttribute("array-index", i);
     selectionButton.addEventListener("click", (click) => {
       selectLevel(ctx, gameState, click.srcElement.getAttribute("array-index"));
-      // let blueprint = levelsBlueprint[
-      //   click.srcElement.getAttribute("array-index")
-      // ];
-      // gameState.playground = generatePlayground(blueprint.structure, gameState.width, gameState.height);
-      // gameState.timer = new Timer(blueprint.time, gameState.timer.expireFunction);
-      // gameState.playground.draw(ctx, gameState.width, gameState.height);
     });
     selectionButton.innerText = "Level" + i;
     listElement.appendChild(selectionButton);
     levelList.appendChild(listElement);
   }
 }
+
+export class LevelManager (
+  constructor(StartingLevelId = 0) {
+    self.CurrentLevelId = StartingLevelId;
+  }
+
+  next(ctx, gameState) {
+    self.CurrentLevelId++;
+    selectLevel(ctx, gameState, self.CurrentLevelId);
+  }
+)
diff --git a/modules/levels.mjs b/modules/levels.mjs
index 346efae..4b6e860 100644
--- a/modules/levels.mjs
+++ b/modules/levels.mjs
@@ -25,7 +25,23 @@ const level2Blueprint = {
   time: 23000,
 };
 
+const level3Blueprint = {
+  structure: [
+    [Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall,],
+    [Square.Wall, Square.Floor, Square.Floor, Square.Floor, Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall,],
+    [Square.Wall, Square.Floor, Square.Box, Square.Floor, Square.Destination, Square.Destination, Square.Destination, Square.Wall, Square.Wall, Square.Wall,],
+    [Square.Wall, Square.Wall, Square.Destination, Square.Box, Square.Box, Square.Destination, Square.Floor, Square.Floor, Square.Wall, Square.Wall,],
+    [Square.Wall, Square.Wall, Square.Destination, Square.Destination, Square.Floor, Square.Box, Square.Box, Square.Floor, Square.Wall, Square.Wall,],
+    [Square.Wall, Square.Wall, Square.Destination, Square.Box, Square.Box, Square.Floor, Square.Box, Square.Floor, Square.Floor, Square.Floor],
+    [Square.Wall, Square.Wall, Square.Player, Square.Destination, Square.Destination, Square.Box, Square.Box, Square.Floor, Square.Floor, Square.Wall,],
+    [Square.Wall, Square.Wall, Square.Floor, Square.Floor, Square.Floor, Square.Floor, Square.Floor, Square.Wall, Square.Wall, Square.Wall,],
+    [Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall, Square.Wall,],
+  ],
+  time: 8000,
+}
+
 export const levelsBlueprint = [
   level1Blueprint,
   level2Blueprint,
+  level3Blueprint,
 ]
diff --git a/modules/timer.mjs b/modules/timer.mjs
index 8ecf015..2ecff4e 100644
--- a/modules/timer.mjs
+++ b/modules/timer.mjs
@@ -2,8 +2,6 @@ export class Timer {
   readDifficulty(slider) {
     self.difficulty = 1.5 - slider.value * 0.01;
     self.time = self.originalTime * self.difficulty;
-    console.log("difficulty: " + self.difficulty);
-    console.log("time: " + self.time);
   }
 
   constructor(time, expireFunction) {
@@ -48,8 +46,8 @@ export class Timer {
       if (self.timeRunning) {
         let timeStr = String(self.time).padStart(5, '0');
         self.timerElement.innerHTML = "Time : " + timeStr.slice(0, 3) + '.' + timeStr.slice(3);
-        if (self.time == 0) {
-          this.expireFunction();
+        if (self.time <= 0) {
+          self.expireFunction();
           clearInterval(self.intervalControler);
           self.timeRunning = false;
         }